Q. If D is the distance between parallel tracks G between theoretical noses of two crossings measured parallel to tracks, is (Solved)
1. (D - G - G )
2. (D - G + G )
3. (D - G - G )
4. (D + G + G )
- a. (D - G - G )
1. (D - G - G )
2. (D - G + G )
3. (D - G - G )
4. (D + G + G )